General Science & Ability Test

#17

A cyclone is formed:

A) When the warm air rises upward the ocean

B) When the moist rises upward over the ocean

C) When moist air pressed downward over the ocean

D) When warm moist air rises upward over the ocean

Answer:   D

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#18

Why red light is used in traffic signal for danger?

A) Due to short wavelength

B) due to high frequency

C) It has long wave length and high frequency

D) It has long wave length and short frequency

Answer:   D

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#19

The heavy water is:

A) Denoted by D₂O and contains simple hydrogen

B) Denoted by ²H and contains deuterium

C) Denoted by D₂O and contains deuterium

D) Denoted by ²HO and contains simple hydrogen.

Answer:   C

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#20

The ionosphere is located within the thermoshphere and extends:

A) From 60-300 km above the earth 's surface

B) From 50-200 km above the earth 's surface

C) From 50-300 km above the earth 's surface

D) none of the above

Answer:   A

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